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Finding the Fourth Proportional to 93,510.30, 129,044.68 and 51,068.84

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Solution

The fourth proportional to 93,510.30, 129,044.68 and 51,068.84 is: 70,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,510.30 : 129,044.68 = 51,068.84 : x
  2. Step 2: Convert to fraction form
    93,510.30/129,044.68 = 51,068.84/x
  3. Step 3: Cross multiply
    93,510.30x = 129,044.68 × 51,068.84
  4. Step 4: Simplify right side
    93,510.30x = 6,590,162,115.77
  5. Step 5: Solve for x
    x = 6,590,162,115.77/93,510.30
  6. Step 6: Final answer
    x = 70,475.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.